100sets M3 M4 304 Stainless Steel Binding Chicago Screw Leather Bag Accounk Photo Album Books Butt Assembling Bolts(35mm(L),OD 4mm (M3))

Usage Tips: Use A Standard Hole Punch To Make Clean Holes. Choose A Cylinder Slightly Longer Than The Total Thickness Of The Material; Tighten The Screws, But Avoid OvertighteningMaterial: 304 Stainless SteelDrive Style: PhillipsHead Style: PanSize: Diameter of round rod OD (Thread diameter D) * Length Leg: OD 4mm (M3) * 6mm (L) (OD 4mm = Diameter of round rod OD 4mm,M3 = thread diameter D 3mm,6mm(L)= Length L 6mmNote:Due to different lighting and screen setting, the item color may be slightly different from the picture.Due to different manual measurements, please allow a 1-2cm difference in size.

• Full Range Of Sizes, Precisely Fits Different Material Thicknesses: This Set Offers Screw Bars Of Various Lengths, Allowing You To Choose The Appropriate Height To Accommodate Different Thicknesses Of Leather, Fabric, Or Paper For A Smooth Binding Finish
• Smooth Nickel-Plated Surface: Each Screw And Screw Bar Is Evenly Polished, Eliminating Sharp Edges And Resulting In A Cleaner, More Professional Look
• Discrete Screw Head Design: The Slotted Screw Heads Are Almost Flush With The Screw Bar, Creating A Smooth Appearance While Ensuring A Secure Mechanical Connection
• Divided Design: All Components Are Securely Housed In A Transparent Box With Internal Dividers For Easy And Quick Identification, Preventing Confusion Between Components Of Different Sizes
• Versatile Application: These Binding Posts Form A Strong And Detachable Connection, Ideal For Assembling Custom Wallets, Belts, Notebooks, And Various Handcrafted Items